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Popocatépetl Volcano Volcanic Ash Advisory: ONGOING VA EMS. to 20000 ft (6100 m)

Sat, 6 Jul 2019, 13:15 | BY: VN
Explosive activity continues. Volcanic Ash Advisory Center (VAAC) Washington warned about a volcanic ash plume that rose up to estimated 20000 ft (6100 m) altitude or flight level 200 .
The full report is as follows:

FVXX20 at 13:08 UTC, 06/07/19 from KNES
VA ADVISORY
DTG: 20190706/1305Z

VAAC: WASHINGTON

VOLCANO: POPOCATEPETL 341090
PSN: N1901 W09837

AREA: MEXICO

SUMMIT ELEV: 17802 FT [5426 M]

ADVISORY NR: 2019/505

INFO SOURCE: GOES-EAST. WEB CAM. VOLCAT.
RADIOSONDE.

ERUPTION DETAILS: ONGOING VA EMS.

OBS VA DTG: 06/1256Z

OBS VA CLD: SFC/FL200 N1901 W09838 - N1858 W09837
- N1816 W10055 - N1847 W10101 - N1901 W09838 MOV
SW 15-20KT

FCST VA CLD +6HR: 06/1900Z SFC/FL200 N1902 W09837
- N1859 W09837 - N1837 W10013 - N1902 W10011 -
N1902 W09837

FCST VA CLD +12HR: 07/0100Z SFC/FL200 NO ASH EXP

FCST VA CLD +18HR: 07/0700Z NO ASH EXP

RMK: INTERMITTENT VA PUFFS CONT AS SEEN IN WEBCAM
AND VARIOUS MODES OF SATELLITE IMAGERY. VA MOV TO
SW OR WSW OF SUMMIT. ...LEE

NXT ADVISORY: WILL BE ISSUED BY 20190706/1900Z

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Background:

Volcán Popocatépetl, whose name is the Aztec word for smoking mountain, towers to 5426 m 70 km SE of Mexico City to form North America's 2nd-highest volcano.  The glacier-clad stratovolcano contains a steep-walled, 250-450 m deep crater.  The generally symmetrical volcano is modified by the sharp-peaked Ventorrillo on the NW, a remnant of an earlier volcano. 
At least three previous major cones were destroyed by gravitational failure during the Pleistocene, producing massive debris-avalanche deposits covering broad areas south of the volcano.  The modern volcano was constructed to the south of the late-Pleistocene to Holocene El Fraile cone.  Three major plinian eruptions, the most recent of which took place about 800 AD, have occurred from Popocatépetl since the mid Holocene, accompanied by pyroclastic flows and voluminous lahars that swept basins below the volcano.  Frequent historical eruptions, first recorded in Aztec codices, have occurred since precolumbian time.


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Source: GVP, Smithsonian Institution - Popocatepetl information


Satellite images of Popocatepetl volcano (c)Google Earth View
Satellite images of Popocatepetl volcano (c)Google Earth View
Stratovolcano 5426 m / 17,802 ft
Central Mexico, 19.02°N / -98.62°W
Current status: erupting (4 out of 5) Popocatépetl volcano eruptions:
1345-47, 1354, 1363(?), 1488, 1504, 1509(?), 1512, 1518, 1519-23(?), 1528, 1530, 1539-40, 1542, 1548, 1571, 1580, 1590, 1592-94, 1642, 1663-65, 1666-67, 1697, 1720, 1802-04, 1827(?), 1834(?), 1852(?), 1919-22, 1923-24, 1925-27(?), 1933, 1942-43, 1947, 1994-95, 1996-2003, 2004-ongoing
Typical eruption style
Dominantly explosive, construction of lava domes. Plinian eruptions at intervals of several centuries or few thousands of years, vulcanian and strombolian activity in intermittent phases.
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